We can use this model to help us solve problems ... Just like with addition, we can use a part-whole model to help partition larger numbers to make them easier to deal with in subtraction problems.

Meet Siah, a four year old math prodigy from Tamil Nadu's Dindigul district who, at just four years old, is solving problems that would leave most adults stumped. By the age of three, Siah had already ...

We can use this model to help us solve problems ... Just like with addition, we can use a part-whole model to help partition larger numbers to make them easier to deal with in subtraction problems.